Sprint 1 : scaffolding complet de Glibredecision

Plateforme de decisions collectives pour Duniter/G1.
Backend FastAPI async + PostgreSQL (14 tables, 8 routers, 6 services,
moteur de vote avec formule d'inertie WoT/Smith/TechComm).
Frontend Nuxt 4 + Nuxt UI v3 + Pinia (9 pages, 5 stores).
Infrastructure Docker + Woodpecker CI + Traefik.
Documentation technique et utilisateur (15 fichiers).
Seed : Licence G1, Engagement Forgeron v2.0.0, 4 protocoles de vote.
30 tests unitaires (formules, mode params, vote nuance) -- tous verts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/models/vote.py

@@ -0,0 +1,71 @@
+import uuid
+from datetime import datetime
+
+from sqlalchemy import String, Integer, Float, Boolean, Text, DateTime, ForeignKey, func
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+class VoteSession(Base):
+    __tablename__ = "vote_sessions"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    decision_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("decisions.id"))
+    item_version_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("item_versions.id"))
+    voting_protocol_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("voting_protocols.id"), nullable=False)
+
+    # Snapshot at session start
+    wot_size: Mapped[int] = mapped_column(Integer, default=0)
+    smith_size: Mapped[int] = mapped_column(Integer, default=0)
+    techcomm_size: Mapped[int] = mapped_column(Integer, default=0)
+
+    # Dates
+    starts_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    ends_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
+
+    # Status
+    status: Mapped[str] = mapped_column(String(32), default="open")  # open, closed, tallied
+
+    # Tallies
+    votes_for: Mapped[int] = mapped_column(Integer, default=0)
+    votes_against: Mapped[int] = mapped_column(Integer, default=0)
+    votes_total: Mapped[int] = mapped_column(Integer, default=0)
+    smith_votes_for: Mapped[int] = mapped_column(Integer, default=0)
+    techcomm_votes_for: Mapped[int] = mapped_column(Integer, default=0)
+    threshold_required: Mapped[float] = mapped_column(Float, default=0.0)
+    result: Mapped[str | None] = mapped_column(String(32))  # adopted, rejected, null
+
+    # Chain recording
+    chain_recorded: Mapped[bool] = mapped_column(Boolean, default=False)
+    chain_tx_hash: Mapped[str | None] = mapped_column(String(128))
+
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    votes: Mapped[list["Vote"]] = relationship(back_populates="session", cascade="all, delete-orphan")
+
+
+class Vote(Base):
+    __tablename__ = "votes"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    session_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("vote_sessions.id"), nullable=False)
+    voter_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("duniter_identities.id"), nullable=False)
+    vote_value: Mapped[str] = mapped_column(String(32), nullable=False)  # for, against, or nuanced levels
+    nuanced_level: Mapped[int | None] = mapped_column(Integer)  # 0-5 for nuanced votes
+    comment: Mapped[str | None] = mapped_column(Text)
+
+    # Cryptographic proof
+    signature: Mapped[str] = mapped_column(Text, nullable=False)
+    signed_payload: Mapped[str] = mapped_column(Text, nullable=False)
+
+    # Voter status snapshot
+    voter_wot_status: Mapped[str] = mapped_column(String(32), default="member")
+    voter_is_smith: Mapped[bool] = mapped_column(Boolean, default=False)
+    voter_is_techcomm: Mapped[bool] = mapped_column(Boolean, default=False)
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
+
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    session: Mapped["VoteSession"] = relationship(back_populates="votes")